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An intranasal influenza vaccine for the prevention of influenza in healthy children was cost effective

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 QUESTION: In healthy children, is an intranasal influenza vaccine for the prevention of influenza cost effective?

Design

Randomised {allocation concealed*}, blinded {patients, healthcare providers, data collectors, judicial assessors of outcomes, data analysts, data safety and monitoring committee, and manuscript writers}†,* placebo controlled trial with 2 years of follow up.

Setting

University medical centres in 7 cities in the USA.

Patients

2960 healthy children who were 15 to 71 months of age (mean age 42 mo, 52% girls). Follow up was > 97%.

Intervention

Children were allocated to receive 1 or 2 doses of a live, attenuated, trivalent, intranasal influenza vaccine (n=1987) or placebo (n=973) for the 1996–1997 and 1997–1998 seasons.

Main cost and outcome measures

Cost per febrile influenza-like illness (ILI) day avoided. A break-even analysis was also done to calculate the vaccine plus administration cost below which its …

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Footnotes

  • * See glossary.

  • Information provided by author.

  • Sources of funding: Aviron and National Institutes of Health.

  • For correspondence: Dr B R Luce, MEDTAP International, Bethesda, MD, USA. luce{at}medtap.com.